Mira Event Installation, Operation, Maintenance Manual page 31

Malfunction Malfunction Malfunction
Malfunction Malfunction
Pump does not
operate.
Pump speed does
not increase when
flow knob turned
past indent.
Low or no water
Pump does not stop.
Cause Cause Cause
Cause Cause
Motor overheated,
thermal switch operated.
Potentiometer gear
incorrectly alighed or
disengaged.
Isolating valves closed.
Inlet filters blocked.
Check valve fitted
incorrectly.
Appliance sited above
cold water storage
cistern
Plumbing system fault
(airlock)
Blocked spray plate.
Micro-switch defective.
PCB failure.
Section 9
Remedy Remedy Remedy
Remedy Remedy
Allow motor to cool before
further operation. (Refer to
"Specifications: Continuous "Specifications: Continuous "Specifications: Continuous "Specifications: Continuous "Specifications: Continuous
duty cycle" duty cycle" duty cycle").
duty cycle" duty cycle"
Refer to "Maintenance: "Maintenance: "Maintenance: "Maintenance: "Maintenance:
Mixer Assembly Renewal" Mixer Assembly Renewal" Mixer Assembly Renewal".
Mixer Assembly Renewal" Mixer Assembly Renewal"
Open valves
Clean filters.
Refer to "Maintenance: "Maintenance: "Maintenance: "Maintenance:
"Maintenance:
Check Valve Renewal" Check Valve Renewal"
Check Valve Renewal" Check Valve Renewal". Check Valve Renewal"
The appliance is not suitable
for negative head installations.
"Installation "Installation
Refer to "Installation "Installation "Installation
Requirements". Requirements".
Requirements". Requirements". Requirements".
Re-route the pipework to
avoid airlock.
Clean spray plate. Refer to
the Installation, Operation and
Maintenance guide supplied
with the shower fittings shower fittings shower fittings. shower fittings shower fittings
Renew.
Renew.
31 31 31 31 31